Home / 623,920.23-861,010.43-337,439.97

Finding the Fourth Proportional to 623,920.23, 861,010.43 and 337,439.97

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Solution

The fourth proportional to 623,920.23, 861,010.43 and 337,439.97 is: 465,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,920.23 : 861,010.43 = 337,439.97 : x
  2. Step 2: Convert to fraction form
    623,920.23/861,010.43 = 337,439.97/x
  3. Step 3: Cross multiply
    623,920.23x = 861,010.43 × 337,439.97
  4. Step 4: Simplify right side
    623,920.23x = 290,539,331,981.69
  5. Step 5: Solve for x
    x = 290,539,331,981.69/623,920.23
  6. Step 6: Final answer
    x = 465,667.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.